Drug development is an arduous and expensive exercise. We seek to produce innovative compounds efficiently and effectively.

Historic Stock Lookup

Week of January 30, 2012
Date	Open	High	Low	Close	Volume
Jan 30, 2012	35.25	35.49	34.10	34.74	3,110,886
Jan 31, 2012	34.90	38.62	34.75	36.95	11,612,425
Feb 1, 2012	37.45	38.00	36.30	37.83	4,631,596
Feb 2, 2012	37.95	38.50	37.22	38.38	4,074,732
Feb 3, 2012	37.54	38.10	35.43	36.78	8,257,040
January February March April May June July August September October November December 01020304050607080910111213141516171819202122232425262728293031 2012201120102009200820072006200520042003200220012000199919981997199619951994199319921991

Year End Stock Prices

The historical stock information provided is for informational purposes only, and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and Vertex Pharmaceuticals Incorporated does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.